Purpose A combined treatment of composting and vermicomposting of poultry litter (PL), rice hulls (RH) and/or eucalyptus sawdust (ES) was carried out in order to obtain a high-quality organic fertilizer and avoid the environmental problems associated with the use of raw poultry manure and fresh agricultural waste materials. Methods Three composting mixtures were made at […]
Purpose The present study aims to evaluate the changes in parameters affecting the quality of vermicompost produced by the earthworm ‘Eisenia fetida‘ on different organic waste substrates using multivariate analysis, variance analysis, factor analysis and principal component analysis (PCA). Method A completely randomized design experiment was conducted with a 2 × 8 factorial arrangement of […]
Purpose Municipal sewage sludge generated from three operational wastewater treatment plants, located in the Bekaa valley of Lebanon, was assessed for its potential use as agricultural soil amendment. Method Sludge samples were taken from three treatment plants located in the villages of Iaat, Ablah and Joub Jannine during the summer season of 2018, from June […]
